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Connect anywhere. Confirm nothing.
Connect anywhere. Confirm nothing.
Phone numbers, travel eSIMs, Crypton Mobile, email aliases and SMS — no name, no email, no KYC.
Prepaid bundles from 3–12 months on dedicated physical lines. Each extension is 5% cheaper, down to 85%. Free outgoing SMS on Crypton and optional InPost SIM return.
Stock coming soon
Order on demand to join the queue. First ordered, first assigned when new SIMs arrive.
Outgoing rates below apply to virtual numbers and short-term rentals only. Long-term numbers and BYOD (via your device) are free on Crypton*.
Incoming
FREE
always
Outgoing
€0.00
per message (virtual & short-term)
Long-term & BYOD (via device): free*
Features
Incoming messages free on all number types
Outgoing SMS charged per message for virtual numbers and short-term rentals
No monthly messaging fees
Global SMS support*
Long-term numbers and BYOD (via your device) send free on Crypton*
*Some destinations restrict direct SMS through our carrier. Outgoing messages may be delivered via a secure link instead. View restricted countries.
*Free on Crypton means no account credit charge per outbound SMS. Long-term numbers still require adequate SIM operator balance. BYOD free sending applies when routing through your own device.
We store encrypted material on our servers, but we never see your passphrase, so we cannot open your messages ourselves. New accounts use ML-KEM-768 (post-quantum protection, NIST standard, related to Kyber) together with strong conventional crypto. Some older accounts may still use a previous RSA-style setup until keys are refreshed. When you are logged in, you can export a key backup from the dashboard.
You're right, nothing and nobody can be trusted, however we have made our best efforts be as transparent as possible and have therefore released our user encryption module source code on GitLab, you can access it by clicking the icon in the footer. The general rule is that you shouldn't provide any information you wouldn't want to be leaked.
No, while we make sure to encrypt any data stored on our servers / infrastructure, data is not being encrypted as soon as it exits our systems onto the GSM / CMDA network.
Use a physical SIM number (short-term or long-term) if you need a second account on Signal, Telegram, WhatsApp, or similar. Virtual numbers do not support 2FA or app verification — buy a physical number for that. You can also send regular SMS, or use Crypton Travel eSIM for travel data.
You can receive messages from anywhere and send to most countries. However, for short-term and virtual numbers, some countries have restrictions on direct SMS delivery. In these cases, your message is delivered via a secure web link instead. Long-term numbers use dedicated hardware and can send direct SMS to all countries without restrictions. Check our FAQ for the full list of affected countries.
Yes, outgoing messages are screened by our self-hosted custom model to detect spam, phishing, and fraud. Messages that pass screening are not retained by the filter. Blocked messages are encrypted and retained so you can see them and appeal if needed—you won't be charged. No third parties are involved. Read our AI Policy for full details.
Most of the information we store is encrypted with your private key, only some metadata (such as dates) remains unencrypted. We do recommend you use an email that cannot be traced back to you.
We will comply with any lawful search warrant, however due to our security practice our canary, which you can find in the footer, will not get updated.
Nope, even if we wanted to, we could not, we only know when they arrive but not much else.
Please do not use Crypton.sh for evil things (or harm anybody for that matter), we would appreciate not having police coming over.
Physical SIM rentals are primarily United Kingdom numbers, with more European SIMs being added. Virtual numbers are available in the United States, Canada, Mexico, Netherlands, Lithuania, Estonia, and Sweden. Partner physical SIMs are also offered in selected countries — check the buy page for what is in stock.
Yes, our service is available over TOR, you can find the link in the footer.
Expired physical SIMs from our main pool are removed and destroyed. We also sell discounted recycled numbers that were previously used for verification — those may not work for 2FA, and there is no refund for that. Virtual numbers are cloud numbers, not recycled SIMs.
Short-term and long-term rentals are real SIM cards in our gateways. Virtual numbers are third-party cloud/VoIP numbers — they can send and receive SMS, but they are not physical SIMs and they are not for 2FA.
Crypton Travel eSIM is our prepaid travel data product: digital SIM profiles you download to a compatible device for mobile data in many countries—no physical SIM swap. Plans offer instant activation, broad coverage, and flexible data options.
After purchasing Crypton Travel eSIM, you will receive a QR code and activation instructions via email. Scan the QR with your device's camera (iOS) or go to Settings > Mobile Data > Add Data Plan (Android) and scan the code. The eSIM installs and activates on your device. You can also use the manual activation code if QR scanning is not available.
eSIM is supported on most modern smartphones and tablets. This includes iPhone XS and newer models, Google Pixel 3 and newer, Samsung Galaxy S20 and newer, and many other recent devices. Check your device manufacturer's website to confirm eSIM compatibility.
Crypton Travel eSIM is for mobile data only. It cannot receive SMS, so it cannot be used for TOTP or 2FA codes. For verification, use our physical SIM phone numbers or other products suited to your use case.
Crypton Travel eSIM covers over 190 countries and regions worldwide, including popular destinations in Europe, North America, Asia, Africa, Middle East, and Oceania. Plans are available for single countries, multi-country regions, and global/regional packages.
Validity varies by plan. Most offer roughly 7–30 days, with some longer options. The period starts when you activate the eSIM on your device. Check the plan details before purchase.
Yes. You can suspend Crypton Travel eSIM from your dashboard—this pauses the data plan without canceling, and you can reactivate later. You can also cancel, which ends the plan permanently. Canceled eSIMs cannot be reactivated; refunds follow our terms.
Virtual phone numbers are cloud/VoIP numbers from a third-party provider. They are not tied to a physical SIM. You can send and receive SMS through Crypton. They are not for 2FA, banking, or social-app verification.
No. Virtual numbers are not supported for TOTP, 2FA, or app verification. Banks, social apps, and logins block VoIP ranges on purpose. Missing codes are expected — not a bug — and there is no refund. Use a physical short-term or long-term number instead.
General SMS in and out. Not for verification codes, 2FA, banks, or creating accounts on Telegram, WhatsApp, Signal, Google, and similar. Outgoing SMS is charged per message, and some countries get a secure web link instead of a direct text.
Both short-term and long-term numbers can send and receive SMS. Short-term numbers use our general gateway (the recipient may see "SMS" as the sender) with flexible 1–12 month rentals. Long-term numbers use dedicated gateways where your actual number shows as the sender, with prepaid bundle tiers of 3, 6, 9, or 12 months—a minimum of 3 months applies. Long-term suits ongoing business or personal use; short-term fits verification codes and temporary needs.
Yes, short-term numbers can send SMS! However, outgoing messages go through our general gateway, so the recipient may see "SMS" or a different number as the sender instead of your actual number. For guaranteed sender ID, choose a long-term rental (minimum 3-month prepaid bundle).
No. Crypton Travel eSIM is prepaid travel data (one-off bundles, data only, no SMS). Crypton Mobile is a permanent eSIM with recurring maintenance and pay-as-you-go data. Voice, SMS, and a US/UK number on Crypton Mobile are coming soon. They have separate checkout and support.
Crypton Mobile is a permanent eSIM kept active by a monthly maintenance fee, plus optional mobile data top-ups. Voice calls, SMS, and pairing a dedicated US or UK number are coming soon. It is not Crypton Travel eSIM (prepaid data-only travel plans).
Today: a non-expiring eSIM profile and mobile data top-ups. Voice, SMS, and a US/UK number are coming soon. Current prices are on the Crypton Mobile page.
Crypton Travel eSIM is usually a fixed package (allowance + validity). Crypton Mobile uses an ongoing fee to keep the data eSIM on the network, plus pay-as-you-go data top-ups. A US or UK number is not sold yet. Different checkout flows and terms—check the product page before buying.
No, not yet. Crypton Mobile SMS and verification codes are coming soon. Crypton Travel eSIM is data-only and cannot receive SMS. If you need codes now, rent a physical short-term or long-term phone number.
Use the Crypton Mobile product page or the Crypton Mobile section in your dashboard when logged in. Prepaid Crypton Travel eSIM is under Dashboard → My eSIMs and Crypton Travel (buy new plans).
Yes — for long-term numbers on our dedicated gateway. When your rental ends or you cancel voluntarily, you can request return of the physical SIM to an InPost locker in Poland, France, Italy, Spain, Portugal, Belgium, Netherlands, or Luxembourg. Shipping is a flat €25. If your number recently expired, you have 14 days to either restore digital SMS or choose SIM return instead. Track progress from your phone numbers dashboard.
Crypton AI is Chat plus an OpenAI-compatible API on the same account. Inference runs in the EU with default zero retention. Paid usage comes from your Crypton credits. See the Crypton AI page, Chat, and the AI Policy.
The EU inference provider discards the request after the reply. Crypton does not log prompt bodies. If you use Chat without Incognito, we store encrypted history until you delete the thread.
No. Chat and the API debit the same Crypton credits as numbers and eSIM. Top up from Billing. There is no separate AI wallet.
There are three. Crypton Travel is prepaid data for a trip: no phone number and no texts. Crypton Mobile is a permanent data eSIM, and a US or UK number is not ready yet. Crypton Line is an eSIM with a real number. You choose the country on /line. A plan is 30 days only when that page says so. Short-term, long-term, and virtual numbers are separate. See /esim, /mobile, and /line.
Numbers are working everywhere. And this alone is quite rare… I have tried other services but the numbers were seen as reused by ex. Google.
Customer
Trustpilot
Crypton is a solid and reliable provider of mobile numbers for SMS verifications
Jon
Trustpilot
Great service! I am using it for a while and satisfied.
Ole
Trustpilot
Accepts monero, so it's a product for the people.
Neo
Trustpilot
It works great
Customer
Trustpilot
Great Service When Everything Works as Intended. Rented two numbers already as well as had an interaction with support about an issue I encountered. They were very helpful and added a feature to resolve my issue in less than a week.
Customer
Trustpilot
Been using Crypton.sh for a while now and overall it works well. I like the no-KYC policy and the encryption setup feels solid. Setup was smooth and delivery was quick. Support could be a bit faster, but aside from that it's been reliable so far. Good value for the price.
User
KYCnot.me
Affordable encrypted SIM service with strong privacy focus. Messages stay secure with personal key encryption.
Jack
KYCnot.me
Nice service, price is fair (14eur/mo), had no problems with numbers, I might be just lucky tbh
